Dane techniczne

Why is combatting cloudiness less effective than partial sterilisation?

A partial sterilisation (against bacteria) is more effective than eliminating clouding caused by floating algae. Why? Because the cell structure of bacteria is quite simple. That’s why it is easier to destroy the cells of bacteria than those of algae.

JBL ProCristal UV-C: Can I store my water tests near the UV-C device?

Storing water tests near a UV-C unit will not cause any problems.

JBL ProCristal UV-C: Can I run the UV-C water clarifier when using medications?

When using medications you should definitely switch off the UV-C burner.

JBL ProCristal UV-C: I had cyanobacteria in the aquarium and have removed them mechanically. There are probably still some freely floating around and I would like to know whether they can be killed off with UV-C.

A UV-C lamp can also kill off cyanobacteria floating freely in the water.

JBL ProCristal UV-C: How long does the device need to be in operation each day?

From a distance we cannot assess how long your device needs to be in operation each day. For this we need to know the germ load and the regeneration of the germ density in the aquarium. However based on values of our own experience we would recommend running the device for an absolute minimum of 12 h a day. A continuous operation is, however, better for the durability of the burner.

UV-C light degrades the chelators in the fertilisers which prevent the precipitation of trace elements, such as iron and some others. When using a UV-C clarifier we therefore recommend you switch to a daily dosing. At the beginning simply convert the standard dosage into a daily dose. It may be necessary later to increase the fertiliser dosage. Before each fertiliser application iron needs to be measurable at least in traces. Vitamins and other superior organic compounds also get degraded in the same way. Therefore a dosage of vitamins on the food is advised twice a week.

JBL ProCristal UV-C: What do you mean by flow rate and do I need to reduce the filter performance?

By flow rate we mean the actual water flow through the UV-C water clarifier. If you connect the UV-C device behind the filter, all of the water which is run by the filter flows through the water clarifier, and the germ-inhibiting effect takes significantly longer (with regard to the total water amount of the aquarium). With powerful filters either the separate installation by means of a small circulation pump or the operation in bypass mode is recommended. This means running the water from the filter outlet to a y-piece (separation of the water), with the water clarifier installed in one of the water cycles, and then you can reconnect both hoses over a second y-piece, before the water flows back into the aquarium.

Enclosed with my ProCristal UV-C are several seals. Which should I use?

For each connection fitting there is a seal in the carton and another fitting for the special elbow fitting. Thus for the 5 W and 11 W version 3 seals and for the 18 W and 36 W version five seals are enclosed. All the seals in the carton are the same size. Never use two on top of each other since this can lead to leakage. Please only use one seal for each connection.

JBL ProCristal UV-C: When is the permanent use of the device recommended?

When you have problems with bacterial infections on animals, the permanent use of the UV-C device is especially recommended. This is the only way to achieve an effective reduction of the germ load in the water. If no cases of illness are present, the operation can be limited to 12 h per day.

Can a ProCristal UV-C 5W be equipped with an 18W bulb?

No, unfortunately this is not possible. But you have the option to join a second ProCristal UV-C device to the 5W device with the help of the QuickConnect.

How can I extend the performance of the JBL ProCristal UV-C devices?

With the JBL QuickConnect you can join two ProCristal UV-C devices together. It doesn't matter whether they have the same performance.

How much power does a JBL ProCristal UV-C 18 W water clarifier consume?

A JBL ProCristal UV-C water clarifier consists of the UV-C burner and an electronic ballast. The ballast itself needs a low amount of electricity. The total output of the UV-C water clarifier is therefore slightly higher than the power, converted into UV-C light. Further information can be found on the type plate and the operating instructions.

How often does the glass cylinder need to be cleaned?

Deposits (dirt, limescale etc.) inside the casing prevent the optimum efficacy of the UVC water clarifier. Therefore the inside of the appliance needs to be cleaned about twice a year, more frequently if the performance significantly deteriorates.

If I want to add JBL Denitrol to my aquarium, do I need to switch off the UV-C device?

Yes, this would be useful. The bacteria need a little time to settle on the substrate. Until then they are floating freely in the water so that the UV-C radiation can kill them off. It is therefore recommendable to switch off the UV-C clarifier for a day.

In the instruction manual illustration for the JBL ProCristal UV-C the UV-C water clarifier is pictured connected behind the filter in an aquarium, yet it is pictured in front of the filter unit in the pond. What is the reason for that?

A UVC water clarifier is generally connected at the outlet of the pump in order to ensure a proper flow.

In the majority of pond filters (with the exception of pressure filters), the filter holder is higher than the pond water level and the water flows out of the filter and down into the pond. The pond pump is in the pond. This is why the UVC water clarifier needs to be installed between the pump and the filter unit, to prevent the water from flowing back into it and blocking it.

I have green water in my aquarium, and even water changes and changing the filter media only helps for a short time.

Green water means floating algae, which grow when they have no competition from other plants and, even more, when the excrement of the fish creates excessive nutrient pollution in the water. The filter will not be able to do much about this. Ultimately, there are only two possibilities:

1. Carry out significantly more water changes in order to remove the nutrients caused by fish excrement.

2. A JBL AquaCristal UVC clarifier kills off the floating algae.

A temporary measure is to switch off the light for 2-3 days in order to stop photosynthesis in the algae.

Outline: Fertilisation in the Aquarium

The JBL plant care concept leads to vigorous and healthy growth even with the most demanding aquatic plants. JBL has all the components you need, whether it’s a fertiliser, a bottom substrate or a fully automatic CO2 fertiliser system.

Let’s Clear This Up: Cloudy Water in the Pond

The Indispensible Partner for a Good Pond Filter

In my opinion, a UV clarifier is an indispensible partner for a good pond filter. Unfortunately I am often confronted with dangerous half truths about this subject. First of all we need to say that the operating principle is the same or similar for every make.

From May 26 to May 29, 2016 the world’s leading trade fair Interzoo opened its doors for the 34th time in Nuremberg. The trade fair, exclusively aimed at the specialist trade, showcased product innovations from all over the world.

Garten- & Zooevent 2015 – Innovations and Information

At last, last weekend, we presented our product innovations to a wide audience of specialists at the ”Garten- & Zooevent” in Kassel . After some short product training, our general manager Roland Böhme took to the stand and introduced his favourite new item.

All good things are worth waiting for – JBL UV-C with double-glass

UV-C water clarifiers are the ultimate solution for many aquarium and terrarium enthusiasts to clarify green water (floating algae), bacterial water cloudiness (whitish) as well as to diminish the germ counts in the water and reduce the risk of infection through pathogens.

All good things are worth waiting for – JBL UV-C with double-glass

UV-C water clarifiers are the ultimate solution for many aquarium and terrarium enthusiasts to clarify green water (floating algae), bacterial water cloudiness (whitish) as well as to diminish the germ counts in the water and reduce the risk of infection through pathogens.

Laboratorium stawu ogrodowego / Kalkulator do stawu

Online Szpital

Do you have ill fish and you don’t know what disease it is and how to treat it? Here you can diagnose diseases using photos or identification keys and you can find out where they come from and how to treat them. By showing you over 500 photos to identify and cure fish diseases, we enable you to find a diagnosis and solution.

Analiza wody Online-laboratorium

Enter your water parameters and get an in-depth analysis of your values in a matter of seconds.
You enter your water values – and we analyse! Here you have the opportunity to enter the measured water values directly into the JBL Online Laboratory. This will analyse your values and explain and submit corrective measures.

Woda morska-Wyposażenie techniczne

UV-C

Would you like to get your green water clear again? Would you like to decrease the germ counts in the aquarium water? Would you like to use technical items instead of liquid preparations to clear your water?